21 SWG to mm²

Convert 21 swg (SWG) to mm² (mm²) with formulas and conversion tables.

SWG
mm²
21 swg (SWG) = 21 mm² (mm²)
Round to:
Step-by-Step Solution
1Write the conversion factor:
1 standard wire gauge = 1 mm²
2Multiply the value by the conversion factor:
21 × 1 = 21
3Result:
21 swg (SWG) = 21 mm² (mm²)
↔ Square Millimeter to Standard Wire Gauge

SWG to mm² Conversion Table

SWGmm²
1 SWG1 mm²
2 SWG2 mm²
5 SWG5 mm²
10 SWG10 mm²
20 SWG20 mm²
21 SWG21 mm²
50 SWG50 mm²
100 SWG100 mm²

21 SWG in Other Units

Unit21 SWG =
Standard Wire Gauge to Square Millimeter21 mm²
Standard Wire Gauge to Millimeter (diameter)5.17088294583 mm
Standard Wire Gauge to American Wire Gauge4 AWG
Standard Wire Gauge to Circular Mil41.4446417999 kcmil

Related Conversions

5 SWG to mm²10 SWG to mm²20 SWG to mm²21 mm² to SWGSquare Millimeter to Standard Wire Gauge ConverterStandard Wire Gauge to Square Millimeter Converter